org.apache.hive.ptest.execution.conf.ExecutionContextConfiguration.java Source code

Introduction

Here is the source code for org.apache.hive.ptest.execution.conf.ExecutionContextConfiguration.java

Source

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.hive.ptest.execution.conf;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

import org.apache.hive.ptest.execution.Dirs;
import org.apache.hive.ptest.execution.context.ExecutionContextProvider;
import org.apache.hive.ptest.execution.context.FixedExecutionContextProvider;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import com.google.common.base.Throwables;
import com.google.common.collect.Maps;

public class ExecutionContextConfiguration {
    public static final String WORKING_DIRECTORY = "workingDirectory";
    public static final String PROFILE_DIRECTORY = "profileDirectory";
    public static final String MAX_LOG_DIRS_PER_PROFILE = "maxLogDirectoriesPerProfile";
    private static final String MAX_RSYNC_THREADS = "maxRsyncThreads";
    private static final int MAX_RSYNC_THREADS_DEFAULT = 10;
    private final ExecutionContextProvider mExecutionContextProvider;
    private final String mWorkingDirectory;
    private final String mGlobalLogDirectory;
    private final String mProfileDirectory;
    private final int mMaxLogDirectoriesPerProfile;
    private final int mMaxRsyncThreads;

    @VisibleForTesting
    public ExecutionContextConfiguration(Context context) throws IOException {
        mWorkingDirectory = context.getString(WORKING_DIRECTORY, "").trim();
        Preconditions.checkArgument(!mWorkingDirectory.isEmpty(), WORKING_DIRECTORY + " is required");
        mProfileDirectory = context.getString(PROFILE_DIRECTORY, "").trim();
        Preconditions.checkArgument(!mProfileDirectory.isEmpty(), PROFILE_DIRECTORY + " is required");
        mGlobalLogDirectory = Dirs.create(new File(mWorkingDirectory, "logs")).getAbsolutePath();
        mMaxLogDirectoriesPerProfile = context.getInteger(MAX_LOG_DIRS_PER_PROFILE, 10);
        mMaxRsyncThreads = context.getInteger(MAX_RSYNC_THREADS, MAX_RSYNC_THREADS_DEFAULT);
        String executionContextProviderBuilder = context
                .getString("executionContextProvider", FixedExecutionContextProvider.Builder.class.getName())
                .trim();
        try {
            Object builder = Class.forName(executionContextProviderBuilder).newInstance();
            if (!(builder instanceof ExecutionContextProvider.Builder)) {
                throw new IllegalArgumentException("executionContextProvider must be of type "
                        + ExecutionContextProvider.Builder.class.getName());
            }
            mExecutionContextProvider = ((ExecutionContextProvider.Builder) builder).build(context,
                    mWorkingDirectory);
        } catch (Exception e) {
            throw Throwables.propagate(e);
        }
    }

    public int getMaxRsyncThreads() {
        return mMaxRsyncThreads;
    }

    public int getMaxLogDirectoriesPerProfile() {
        return mMaxLogDirectoriesPerProfile;
    }

    public String getWorkingDirectory() {
        return mWorkingDirectory;
    }

    public String getGlobalLogDirectory() {
        return mGlobalLogDirectory;
    }

    public String getProfileDirectory() {
        return mProfileDirectory;
    }

    public ExecutionContextProvider getExecutionContextProvider() {
        return mExecutionContextProvider;
    }

    public static ExecutionContextConfiguration fromInputStream(InputStream inputStream) throws IOException {
        Properties properties = new Properties();
        properties.load(inputStream);
        Context context = new Context(Maps.fromProperties(properties));
        return new ExecutionContextConfiguration(context);
    }

    public static ExecutionContextConfiguration fromFile(String file) throws IOException {
        InputStream in = new FileInputStream(file);
        try {
            return fromInputStream(in);
        } finally {
            in.close();
        }
    }

    @Override
    public String toString() {
        return "ExecutionContextConfiguration{" + "mExecutionContextProvider=" + mExecutionContextProvider
                + ", mWorkingDirectory='" + mWorkingDirectory + '\'' + ", mGlobalLogDirectory='"
                + mGlobalLogDirectory + '\'' + ", mProfileDirectory='" + mProfileDirectory + '\''
                + ", mMaxLogDirectoriesPerProfile=" + mMaxLogDirectoriesPerProfile + ", mMaxRsyncThreads="
                + mMaxRsyncThreads + '}';
    }
}